CN103925097A - Cylinder of diesel engine used for ship - Google Patents
Cylinder of diesel engine used for ship Download PDFInfo
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- CN103925097A CN103925097A CN201410190232.8A CN201410190232A CN103925097A CN 103925097 A CN103925097 A CN 103925097A CN 201410190232 A CN201410190232 A CN 201410190232A CN 103925097 A CN103925097 A CN 103925097A
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- cylinder
- cylinder liner
- hole
- described cylinder
- support ring
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Abstract
The invention discloses a cylinder of a diesel engine used for a ship. The cylinder comprises a cylinder body, one side of the cylinder body is an air exhaust side, the other side of the cylinder body is an air inlet side, the cylinder body is provided with a plurality of cylinder holes, the inner walls of the cylinder holes are fixedly provided with cylinder sleeves, the inner wall of each cylinder hole is provided with a cylinder sleeve installation sealing ring, a cylinder sleeve middle supporting ring and a cylinder sleeve lower supporting ring from top to bottom in a spaced mode, and the inner wall between the cylinder sleeve installation sealing ring and the cylinder sleeve middle supporting ring and the inner wall between the cylinder sleeve middle supporting ring and the cylinder sleeve lower supporting ring are symmetrically provided with a plurality of cylinder hole supporting plates in the axial direction of the corresponding cylinder hole. The inner walls of the cylinder holes are provided with the cylinder sleeve installation sealing rings and the supporting rings, the cylinder is low structural weight and convenient to use, axial reinforcing ribs and circumferential reinforcing ribs are arranged between the cylinder sleeve installation sealing ring of each cylinder hole and the cylinder sleeve middle supporting ring of the corresponding cylinder hole and between the cylinder sleeve middle supporting ring of the corresponding cylinder hole and the cylinder sleeve lower supporting ring of the corresponding cylinder hole, and rigidity of the cylinder holes is improved; transversely pulling reinforcing ribs are arranged between the cylinder holes, and relative stability between the cylinder holes is improved; cylinder sleeve cooling cavities are arranged in the cylinder holes, and accordingly the cooling effect of the cylinder sleeves is improved.
Description
Technical field
The present invention relates to engine art, particularly a kind of cylinder block of marine diesel engine.
Background technique
The inwall in the cylinder hole of traditional marine diesel engine cylinder block is cylindric, and direct and cylinder sleeve is installed, and structure is clumsy, and weight is large, and rigidity is poor, and is unfavorable for casting and heat radiation; The crankcase of cylinder block does not partly have tensioning means, makes motor body vibration noise when work larger, and body skirt section is easily out of shape, and when serious, causes the junction plane of cylinder block and oil sump to have oil seepage, and impact is used and outward appearance; When maintenance or replacing connecting rod and tappet, need to take oil sump or cylinder cap apart, labor intensity is high, and while especially keeping in repair in the confined space of cabin, difficulty is larger, and maintenance efficiency is low.
The information that is disclosed in this background technique part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply that in any form this information structure has been the known prior art of persons skilled in the art.
Summary of the invention
The object of the present invention is to provide a kind of cylinder block of marine diesel engine, thereby overcome, the cylinder weight of cylinder block is large, the shortcoming of poor rigidity.
Another object of the present invention is to provide a kind of cylinder block of marine diesel engine, thereby the air cylinder structure that overcomes cylinder block is unfavorable for the shortcoming of casting and heat radiation.
Another object of the present invention is to provide a kind of cylinder block of marine diesel engine, thereby the crankcase that overcomes cylinder block partly do not have the shortcoming of tensioning means.
Another object of the present invention is to provide a kind of cylinder block of marine diesel engine, thereby when overcoming maintenance or changing connecting rod and tappet, the shortcoming that need to take oil sump or cylinder cap apart.
For achieving the above object, the invention provides a kind of cylinder block of marine diesel engine, cylinder block comprises body, one side of body is exhaust side, opposite side is air inlet side, body is provided with a plurality of cylinders hole, fixed air cylinder sleeve on the inwall in cylinder hole, on the inwall in cylinder hole, be interval with cylinder liner from top to bottom seal ring is installed, the next support ring of cylinder liner meta support ring and cylinder liner, in cylinder liner, install on the inwall between seal ring and cylinder liner meta support ring and between cylinder liner meta support ring and the next support ring of cylinder liner and to be axially arranged with respectively polylith cylinder hole dunnage along cylinder hole.
Preferably, in technique scheme, in cylinder liner, install on the inwall between seal ring and cylinder liner meta support ring and between cylinder liner meta support ring and the next support ring of cylinder liner and be arranged with respectively four along the dividing plate stiffening rib radially extending in cylinder hole, dividing plate stiffening rib is triangle column, trequetrous adjacent two sides are connected with inwall, the height and position of four dividing plate stiffening ribs is identical, has formed the dividing plate stiffening rib group of rectangle.
Preferably, in technique scheme, between adjacent cylinder hole, be provided with the horizontal reinforcement gusset that draws in cylinder hole.
Preferably, in technique scheme, the exhaust side of cylinder block is provided with cylinder liner cooling liquid intake tunnel, above cylinder liner installation seal ring, cylinder hole is provided with cylinder liner cooling chamber, is provided with cylinder liner cooling chamber water inlet between cylinder liner cooling liquid intake tunnel and cylinder liner cooling chamber.
Preferably, in technique scheme, on the outer wall of cylinder liner, with cylinder liner, the position that seal ring is corresponding is installed and is provided with a plurality of cylinder liner water shutoff circles, seal ring is installed in cylinder liner water shutoff circle.
Preferably, in technique scheme, the exhaust side of body is provided with machine oil cooler backwater channel.
Preferably, in technique scheme, the bottom of body is provided with main bearing seat, and main bearing cap is longitudinally fixing by bolt and main bearing seat, and main bearing cap is laterally fixed by being arranged on respectively the horizontal bolt that draws of air inlet side and exhaust side.
Preferably, in technique scheme, in the exhaust side of body and air inlet side, be equipped with for keeping in repair or change the crankcase window of connecting rod.
Preferably, in technique scheme, the air inlet side of body is provided with for keeping in repair or change the tappet window of tappet.
Compared with prior art, the present invention has following beneficial effect:
On the inwall of cylinder of the present invention hole, be provided with cylinder liner seal ring and support ring are installed, compare with the cylindrical attachment face of integral body, such structure is light, and between seal ring and support ring and the stiffening rib that is provided with axial and circumferential between support ring and support ring, has improved the rigidity in cylinder hole; Between cylinder hole, be provided with the horizontal stiffening rib that draws, increased the relative stability between cylinder hole.On cylinder hole, be provided with cylinder liner cooling chamber, strengthened the cooling effect of cylinder sleeve; In the joint of main bearing cap and crankcase, be provided with the horizontal bolt that draws, increased lateral stiffness and the stability of cylinder block; Also be provided with tappet window and crankcase window, be convenient to maintenance or the replacing of tappet and connecting rod.On body, set up machine oil cooler backwater channel, with respect to the machine oil cooler backwater channel arranging with cylinder block split in prior art, the circulation of machine oil cooling liquid is more stable, and machine oil cooling effect is better.
Accompanying drawing explanation
Fig. 1 is the exhaust side structural drawing according to the cylinder block of marine diesel engine of the present invention.
Fig. 2 is the air inlet side structure figure according to the cylinder block of marine diesel engine of the present invention.
Fig. 3 is according to the cross section view of inside, cylinder of the present invention hole.
Fig. 4 is the A-A view of Fig. 3.
Fig. 5 is the B-B view of Fig. 3.
Fig. 6 is block assembly cross section view.
Main description of reference numerals:
1-body, 2-cylinder liner cooling liquid intake tunnel, 3-cylinder liner is installed seal ring, 4-cylinder liner meta support ring, 5-machine oil cooler backwater channel, the next support ring of 6-cylinder liner, 7-dividing plate stiffening rib, 8-cylinder liner cooling chamber, 9-cylinder liner cooling chamber water inlet, 10-cylinder hole dunnage, 11-inwall, the horizontal reinforcement gusset that draws in 12-cylinder hole, 13-tappet chamber window, 14-crankcase window, the horizontal bolt mounting holes that draws of 15-, 16-cylinder liner, 17-main bearing cap, 18-bolt, the horizontal bolt that draws of 19-, 20-crankcase, 21-main bearing seat, 22-cylinder liner water shutoff circle.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subject to the restriction of embodiment.
Unless separately there is other clearly to represent, otherwise in whole specification and claims, term " comprises " or its conversion was stated being understood to include as " comprising " or " including " etc. element or constituent element, and do not get rid of other element or other constituent element.
As shown in Figures 1 to 4, according to the cylinder block of the marine diesel engine of the specific embodiment of the invention, comprise body 1, the top of body 1 is provided with a plurality of cylinders hole, on the inwall 11 in each cylinder hole, be interval with the cylinder liner of installing with cylinder liner from top to bottom seal ring 3, cylinder liner meta support ring 4 and the next support ring 6 of cylinder liner are installed, be used to cylinder liner that guiding and positioning action are provided, on inwall 11, the diameter at other positions is greater than the external diameter of cylinder sleeve.Cylinder liner install on the inwall between seal ring 3 and cylinder liner meta support ring 4 and between cylinder liner meta support ring 4 and the next support ring 6 of cylinder liner along cylinder hole be axially arranged with respectively polylith cylinder hole dunnage 10 (being two cylinder hole dunnages 10 in Fig. 4), for improving the axial stiffness in cylinder hole.Simultaneously, in cylinder liner, install on the inwall between seal ring 3 and cylinder liner meta support ring 4 and between cylinder liner meta support ring 4 and the next support ring 6 of cylinder liner and be arranged with respectively four along the dividing plate stiffening rib 7 radially extending in cylinder hole, dividing plate stiffening rib 7 is triangle column, its adjacent two sides are connected with inwall, the height and position of four dividing plate stiffening ribs 7 is identical, thereby formed the dividing plate stiffening rib group of rectangle, for improving the rigid circumference in cylinder hole.Between adjacent cylinder hole, be provided with horizontal the drawing in cylinder hole and strengthen gusset 12, to increase the rigidity between cylinder hole.
As shown in Fig. 1,2,3,5, above cylinder liner installation seal ring 3, cylinder hole is provided with cylinder liner cooling chamber 8, is provided with cylinder liner cooling chamber water inlet 9, for carrying out cooling to cylinder liner between the cylinder liner cooling liquid intake tunnel 2 of the exhaust side of body 1 and cylinder liner cooling chamber 8.Exhaust side at body 1 has machine oil cooler backwater channel 5, and with respect to the machine oil cooler backwater channel arranging with cylinder block split in prior art, the circulation of machine oil cooling liquid is more stable, and machine oil cooling effect is better.
As shown in Figure 6, block assembly comprises cylinder block, cylinder liner 16 and main bearing cap 17.On the outer wall of cylinder liner 16, with cylinder liner, the position that seal ring 3 is corresponding is installed and is provided with a plurality of cylinder liner water shutoff circles 22 (two cylinder liner water shutoff circles 22 shown in Fig. 6), the interior installation seal ring of cylinder liner water shutoff circle 22, prevents that cooling liquid in cylinder liner cooling chamber 8 from installing seal ring 3 from cylinder liner and spilling and affect the cooling of cylinder liner 16.As shown in Figure 1-2, at air inlet side and the exhaust side of body 1, the position corresponding with each Gang Kong center is respectively equipped with the horizontal bolt mounting holes 15 that draws.In the bottom of body 1, be provided with main bearing seat 21, main bearing cap 17 is longitudinally fixing by bolt 18 and main bearing seat 21, and draw bolt 19 and the crankcase 20 of body 1 laterally to fix by both sides horizontal, the vibration of body and the distortion in body skirt section when avoiding engine operation.
As shown in Figure 1-2, in the both sides of body 1, be respectively equipped with the crankcase window 14 corresponding with each connecting rod position, be convenient to maintenance or the replacing of connecting rod.At the air inlet side of body 1 and the corresponding tappet window in tappet position in each cylinder hole, be convenient to maintenance or the replacing of tappet.
On the inwall of cylinder of the present invention hole, be provided with cylinder liner seal ring and support ring are installed, compare with the cylindrical attachment face of integral body, such structure is light, and between seal ring and support ring and the stiffening rib that is provided with axial and circumferential between support ring and support ring, has improved the rigidity in cylinder hole; Between cylinder hole, be provided with the horizontal stiffening rib that draws, increased the relative stability between cylinder hole.On cylinder hole, be provided with cylinder liner cooling chamber, strengthened the cooling effect of cylinder sleeve; In the joint of main bearing cap and crankcase, be provided with the horizontal bolt that draws, increased lateral stiffness and the stability of cylinder block; Also be provided with tappet window and crankcase window, be convenient to maintenance or the replacing of tappet and connecting rod.On body, set up machine oil cooler backwater channel, with respect to the machine oil cooler backwater channel arranging with cylinder block split in prior art, the circulation of machine oil cooling liquid is more stable, and machine oil cooling effect is better.
The aforementioned description to concrete exemplary of the present invention is for the object with illustration is described.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.Exemplary embodiment is selected and the object described is to explain certain principles of the present invention and practical application thereof, thereby made those skilled in the art can realize and utilize various exemplary of the present invention and various selection and change.Scope of the present invention is intended to be limited by claims and equivalents thereof.
Claims (9)
1. the cylinder block of a marine diesel engine, described cylinder block comprises body, one side of described body is exhaust side, opposite side is air inlet side, described body is provided with a plurality of cylinders hole, fixed air cylinder sleeve on the inwall in described cylinder hole, it is characterized in that, on the inwall in described cylinder hole, be interval with cylinder liner from top to bottom seal ring is installed, the next support ring of cylinder liner meta support ring and cylinder liner, in described cylinder liner, install on the described inwall between seal ring and described cylinder liner meta support ring and between described cylinder liner meta support ring and the next support ring of described cylinder liner and to be axially arranged with respectively polylith cylinder hole dunnage along described cylinder hole.
2. cylinder block according to claim 1, it is characterized in that, in described cylinder liner, install on the described inwall between seal ring and described cylinder liner meta support ring and between described cylinder liner meta support ring and the next support ring of described cylinder liner and be arranged with respectively four along the dividing plate stiffening rib radially extending in described cylinder hole, described dividing plate stiffening rib is triangle column, described trequetrous adjacent two sides are connected with inwall, the height and position of four described dividing plate stiffening ribs is identical, has formed the dividing plate stiffening rib group of rectangle.
3. cylinder block according to claim 1 and 2, is characterized in that, is provided with the horizontal reinforcement gusset that draws in cylinder hole between adjacent described cylinder hole.
4. cylinder block according to claim 1, it is characterized in that, the exhaust side of described cylinder block is provided with cylinder liner cooling liquid intake tunnel, above described cylinder liner installation seal ring, described cylinder hole is provided with cylinder liner cooling chamber, between described cylinder liner cooling liquid intake tunnel and described cylinder liner cooling chamber, is provided with cylinder liner cooling chamber water inlet.
5. cylinder block according to claim 1, is characterized in that, with described cylinder liner, the position that seal ring is corresponding is installed and is provided with a plurality of cylinder liner water shutoff circles on the outer wall of described cylinder liner, and seal ring is installed in described cylinder liner water shutoff circle.
6. cylinder block according to claim 1, is characterized in that, the exhaust side of described body is provided with machine oil cooler backwater channel.
7. cylinder block according to claim 1, it is characterized in that, the bottom of described body is provided with main bearing seat, main bearing cap is longitudinally fixing by bolt and described main bearing seat, and described main bearing cap is laterally fixed by being arranged on respectively the horizontal bolt that draws of described air inlet side and described exhaust side.
8. cylinder block according to claim 1, is characterized in that, is equipped with for keeping in repair or change the crankcase window of connecting rod in the exhaust side of described body and air inlet side.
9. cylinder block according to claim 1, is characterized in that, the air inlet side of described body is provided with for keeping in repair or change the tappet window of tappet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410190232.8A CN103925097A (en) | 2014-05-07 | 2014-05-07 | Cylinder of diesel engine used for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410190232.8A CN103925097A (en) | 2014-05-07 | 2014-05-07 | Cylinder of diesel engine used for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103925097A true CN103925097A (en) | 2014-07-16 |
Family
ID=51143449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410190232.8A Pending CN103925097A (en) | 2014-05-07 | 2014-05-07 | Cylinder of diesel engine used for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103925097A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110714851A (en) * | 2019-12-02 | 2020-01-21 | 广西玉柴机器股份有限公司 | Cylinder block with composite frame window structure |
| CN111287857A (en) * | 2018-12-10 | 2020-06-16 | 通用汽车环球科技运作有限责任公司 | Method for manufacturing engine cylinder block |
| CN112139885A (en) * | 2020-10-11 | 2020-12-29 | 焦作大学 | Cylinder sleeve surface treatment device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2467806Y (en) * | 2001-03-20 | 2001-12-26 | 扬动股份有限公司 | Three-support structure between diesel engine body and cylinder sleeve |
| CN2900817Y (en) * | 2006-04-30 | 2007-05-16 | 广西玉柴机器股份有限公司 | Cooling water seal structure for diesel engine cylinder |
| CN101956622A (en) * | 2010-10-31 | 2011-01-26 | 无锡开普动力有限公司 | Water-cooled line engine body |
| CN203081596U (en) * | 2013-01-23 | 2013-07-24 | 潍坊华东发动机有限公司 | Engine body convenient to maintain and assemble |
| CN103742281A (en) * | 2013-12-31 | 2014-04-23 | 广西玉柴机器股份有限公司 | High-speed marine diesel cylinder sleeve support structure |
| CN203783743U (en) * | 2014-05-07 | 2014-08-20 | 广西玉柴机器股份有限公司 | Cylinder body of ship diesel engine |
-
2014
- 2014-05-07 CN CN201410190232.8A patent/CN103925097A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2467806Y (en) * | 2001-03-20 | 2001-12-26 | 扬动股份有限公司 | Three-support structure between diesel engine body and cylinder sleeve |
| CN2900817Y (en) * | 2006-04-30 | 2007-05-16 | 广西玉柴机器股份有限公司 | Cooling water seal structure for diesel engine cylinder |
| CN101956622A (en) * | 2010-10-31 | 2011-01-26 | 无锡开普动力有限公司 | Water-cooled line engine body |
| CN203081596U (en) * | 2013-01-23 | 2013-07-24 | 潍坊华东发动机有限公司 | Engine body convenient to maintain and assemble |
| CN103742281A (en) * | 2013-12-31 | 2014-04-23 | 广西玉柴机器股份有限公司 | High-speed marine diesel cylinder sleeve support structure |
| CN203783743U (en) * | 2014-05-07 | 2014-08-20 | 广西玉柴机器股份有限公司 | Cylinder body of ship diesel engine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287857A (en) * | 2018-12-10 | 2020-06-16 | 通用汽车环球科技运作有限责任公司 | Method for manufacturing engine cylinder block |
| CN111287857B (en) * | 2018-12-10 | 2021-08-31 | 通用汽车环球科技运作有限责任公司 | Method for manufacturing engine cylinder block |
| CN110714851A (en) * | 2019-12-02 | 2020-01-21 | 广西玉柴机器股份有限公司 | Cylinder block with composite frame window structure |
| CN112139885A (en) * | 2020-10-11 | 2020-12-29 | 焦作大学 | Cylinder sleeve surface treatment device and method |
| CN112139885B (en) * | 2020-10-11 | 2021-09-24 | 焦作大学 | Cylinder sleeve surface treatment device and method |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140716 |
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| WD01 | Invention patent application deemed withdrawn after publication |